1, Title: The title of the career planning book should be concise and clear, highlighting the theme. The font of the title is larger than that of the text, which is easy to read.

2. Text: The font of the text needs to be clear and easy to read, using Song Ti or bold. The font size of the text can be determined according to the specific situation, but it should not be too large or too small.

3. Paragraphs: The career planning book is divided into several paragraphs, and each paragraph has a clear theme or goal. There should be a clear logical relationship between paragraphs to facilitate reading and understanding.